257990910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 629856000

約数和(自身を除く): 371865090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 179, 214, 321, 358, 449, 535, 537, 642, 895, 898, 1070, 1074, 1347, 1605, 1790, 2245, 2685, 2694, 3210, 4490, 5370, 6735, 13470, 19153, 38306, 48043, 57459, 80371, 95765, 96086, 114918, 144129, 160742, 191530, 240215, 241113, 287295, 288258, 401855, 480430, 482226, 574590, 720645, 803710, 1205565, 1441290, 2411130, 8599697, 17199394, 25799091, 42998485, 51598182, 85996970, 128995455, 257990910]

約数ペア:

[(1, 257990910), (2, 128995455), (3, 85996970), (5, 51598182), (6, 42998485), (10, 25799091), (15, 17199394), (30, 8599697), (107, 2411130), (179, 1441290), (214, 1205565), (321, 803710), (358, 720645), (449, 574590), (535, 482226), (537, 480430), (642, 401855), (895, 288258), (898, 287295), (1070, 241113), (1074, 240215), (1347, 191530), (1605, 160742), (1790, 144129), (2245, 114918), (2685, 96086), (2694, 95765), (3210, 80371), (4490, 57459), (5370, 48043), (6735, 38306), (13470, 19153)]